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	<div id="winchm_template_title">dprintf</div>
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	<div id="winchm_template_content"><div id="mainSection"><p>The <b>dprintf</b> function prints a formatted string to the Debugger Command window. It works like the C-language routine <b>printf</b>. </p>
<h2>Syntax</h2>
<div class="code"><span codelanguage="ManagedCPlusPlus"><table>
<tr>
<th>C++</th>
</tr>
<tr>
<td>
<pre>VOID dprintf(
  _In_ PCSTR format,
  _In_ ...   [arguments]
);</pre>
</td>
</tr>
</table></span></div>
<h2>Parameters</h2>
<dl>
<dt><i>format</i> [in]</dt>
<dd>
<p>Specifies the format string, as in <b>printf</b>.  In general, conversion characters work exactly as in C. For the floating-point conversion characters the 64-bit argument is interpreted as a 32-bit floating-point number unless the <b>l</b>  modifier is used.</p>
<p>The <b>%p</b> conversion character is supported, but it represents a pointer in the target's virtual address space.  It may not have any modifiers and it uses the debugger's internal address formatting.  The following additional conversion characters are supported:</p>
<table>
<tr>
<th>Character</th>
<th>Argument Type</th>
<th>Argument</th>
<th>Text printed</th>
</tr>
<tr>
<td>
<p><b>%p</b></p>
</td>
<td>
<p>ULONG64</p>
</td>
<td>
<p>Pointer in the target's virtual address space</p>
</td>
<td>
<p>The value of the pointer. </p>
</td>
</tr>
<tr>
<td>
<p><b>%N</b></p>
</td>
<td>
<p>DWORD_PTR (32 or 64 bits, depending on the <u>host's</u> architecture) </p>
</td>
<td>
<p>Pointer in the host's virtual address space</p>
</td>
<td>
<p>The value of the pointer.  (This is equivalent to the standard C <b>%p</b> character.) </p>
</td>
</tr>
<tr>
<td>
<p><b>%I</b></p>
</td>
<td>
<p>ULONG64</p>
</td>
<td>
<p>Any 64-bit value</p>
</td>
<td>
<p>The specified value.  If this is greater than 0xFFFFFFFF it is printed as a 64-bit address, otherwise it is printed as a 32-bit address.</p>
</td>
</tr>
<tr>
<td>
<p><b>%ma</b></p>
</td>
<td>
<p>ULONG64 </p>
</td>
<td>
<p>Address of a NULL-terminated ASCII string in the target's virtual address space</p>
</td>
<td>
<p>The specified string.</p>
</td>
</tr>
<tr>
<td>
<p><b>%mu</b></p>
</td>
<td>
<p>ULONG64 </p>
</td>
<td>
<p>Address of a NULL-terminated Unicode string in the target's virtual address space</p>
</td>
<td>
<p>The specified string.</p>
</td>
</tr>
<tr>
<td>
<p><b>%msa</b></p>
</td>
<td>
<p>ULONG64 </p>
</td>
<td>
<p>Address of an ANSI_STRING structure in the target's virtual address space</p>
</td>
<td>
<p>The specified string.</p>
</td>
</tr>
<tr>
<td>
<p><b>%msu</b></p>
</td>
<td>
<p>ULONG64 </p>
</td>
<td>
<p>Address of a UNICODE_STRING structure in the target's virtual address space</p>
</td>
<td>
<p>The specified string.</p>
</td>
</tr>
<tr>
<td>
<p><b>%y</b></p>
</td>
<td>
<p>ULONG64 </p>
</td>
<td>
<p>Address of a debugger symbol in the target's virtual address space</p>
</td>
<td>
<p>String containing the name of the specified symbol (and displacement, if any). </p>
</td>
</tr>
<tr>
<td>
<p><b>%ly</b></p>
</td>
<td>
<p>ULONG64 </p>
</td>
<td>
<p>Address of a debugger symbol in the target's virtual address space</p>
</td>
<td>
<p>String containing the name of the specified symbol (and displacement, if any), as well as any available source line information. </p>
</td>
</tr>
</table>
<p> </p>
</dd>
<dt><i>[arguments]</i> [in]</dt>
<dd>
<p>Specifies arguments for the format string, as in <b>printf</b>. The number of arguments specified should match the number of conversion characters in <i>FormatString</i>. Each argument is an expression that will be evaluated by the default expression evaluator (MASM or C++). For details, see <a href="#Bookmark1917">Numerical Expression Syntax</a>. </p>
</dd>
</dl>
<h2>Return value</h2>
<p>This function does not return a value.</p>
<h2>Remarks</h2>
<p>When generating very large output strings, it is possible the limits of the debugger engine or operating system may be reached.  For example, some versions of the debugger engine have a 16K character limit for a single piece of output.  If you find that very large output is getting truncated, you may need to split your output into multiple requests.</p>
<h2>Requirements</h2>
<table>
<tr>
<th width="30%">
<p>Target platform</p>
</th>
<td width="70%">
<dl>
<dt></dt>
</dl>
</td>
</tr>
<tr>
<th width="30%">
<p>Header</p>
</th>
<td width="70%">
<dl>
<dt>Wdbgexts.h (include Wdbgexts.h or Dbgeng.h)</dt>
</dl>
</td>
</tr>
<tr>
<th width="30%">
<p>Library</p>
</th>
<td width="70%">
<dl>
<dt>Bhsupp.lib</dt></dl></td></tr></table></div></div>	
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